RTCPeerConnection.generateCertificate taking AlgorithmIdentifier and using WebCrypto

third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h

Index: third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h
diff --git a/third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h b/third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h
index e90e98d466b11a6cea941a4d5b57e185cca118fa..eba3225b180ce59baf777a79f729752b8d9150df 100644
--- a/third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h
+++ b/third_party/WebKit/public/platform/WebCryptoAlgorithmParams.h
@@ -34,6 +34,7 @@
 #include "WebCommon.h"
 #include "WebCryptoAlgorithm.h"
 #include "WebCryptoKey.h"
+#include "WebCryptoUtil.h"
 #include "WebVector.h"
 
 namespace blink {
@@ -227,6 +228,11 @@ public:
     const WebVector<unsigned char>& publicExponent() const { return m_publicExponent; }
     const WebCryptoAlgorithm& hash() const { return m_hash; }
 
+    // Converts the public exponent (BigInteger) to unsigned int. Returns true on success (if its value is not too large).
+    bool publicExponentToUint(unsigned& result) const
+    {
+        return bigIntegerToUint(m_publicExponent, result);
+    }
 private:
     const unsigned m_modulusLengthBits;
     const WebVector<unsigned char> m_publicExponent;